SK-7260 RF WIRELESS KEYBOARD Page No: 4 of 6
3.1.1 Circuitry
PCB Assembly
Microprocessor MA6231 , MosArt ‘s Chip is applied. It’s placed on
the PCB main board. There is also an antenna connected to this PCB
for transmitting RF signal.
3.1.2 Battery Life
The battery life under the operating condition of 10 keystrokes/sec
continuous use is 80 hours for alkaline type and 30 hours for Zinc-Carbon
type.
3.1.3 Effective Transmission Distance
Effective transmission distance is 2 meters.
3.1.4 Features of keyboard
This model contains easy access keys, including web. and multimedia keys .
There is one LED on the keyboard for battery low power indication.
.It has a standard keyboard function with the language layout of US English
version.
Two AA batteries are to be installed at the bottom of the keyboard for operation.
There is a channel selection button at the bottom side of keyboard .
Single chip solution , imbedded DC-to-DC converter to prevent malfunction of
low battery power ,integrated RF components especially optimized for 27 MHz
RF keyboard transmitter
32.768kHz main clock to reach a quite low power consumption.
Easy Acess Key Code Table
Win2000 compatible, they are include,refer to table below: PS/2 Hot key
No
.
Usage Name / Key
Name
Set1
Make
Set1
Break
Set2 Make Set2 Break
1 Scan Next Track E0 19 E0 99 E0 4D E0 F0 4D
2 Scan Previous Track E0 10 E0 90 E0 15 E0 F0 15
3 Stop E0 24 E0 A4 E0 3B E0 F0 3B
4 Play / Pause E0 22 E0 A2 E0 34 E0 F0 34
5 Mute E0 20 E0 A0 E0 23 E0 F0 23
6 Volume Increment E0 30 E0 B0 E0 32 E0 F0 32
7 Volume Decrement E0 2E E0 AE E0 21 E0 F0 21
8 EMail Reader E0 6C E0 EC E0 48 E0 F0 48
9 WWW Home E0 32 E0 B2 E0 3A E0 F0 3A